TM 11-5805-424-15/NAVSHIPS 0967-220-9010/TO 31W2-2G-41
Step
Control settings
No.
Test equipment
Equipment under test
Procedure
Performance standard
DC VOLTS-AC VOLTS: AC
g. Operate AC POWER switch on
g. Bottom timing waveforn should
VOLTS X 100.
low seed modem to of and
be seen to move into synchronism
then to ON; observing 140A
with top waveform.
Oscilloscope 140A, 1405A (both
channels
COUPLING: DC.
INPUT: ON
FUNCTION: A.
-POLARITY: +.
VERNIER SENSITIVITY: .2.
SENS MAG: X1
1421A
SWEEP: MAIN.
MAGNIFIER: X1.
NORMAL-SINGLE: NORMAL.
DELAYED TIME/CM: OFF.
2
No change required....................................
No change required, except:
a. Remove strap from between ter-.
a. None
AC POWER: off.
minal TP4 and TP5, and con-
nect a strap between terminals
TP3 and TP4.
b. Operate AC POWER switch on
MD-674(P)/G to ON.
equal to baud rate of equipment;
140A oscilloscope waveform
pattern shall be as observed in
step No. 1f.
7-8
